More to explore:
@gwendolen Raley - John's brother's home1204 N. New Jersey St., Gen. Thomas A. Morris House, 1889 :: Indianapolis Historic Preservation Commission Image Collection
Messenger Boys, Indianapolis Western Union. Aug., 1908. Wit., E. N. Clopper. Location: Indianapolis, Indiana.
It's called the Twisted House. The kids loved it! It's found at the Indianapolis Art Center on their grounds called "Artspark